As the planet warms, it risks crossing catastrophic tipping points: thresholds where Earth systems, such as ice sheets and rainforests, change irreversibly over human lifetimes.

Botswana's fertile Okavango Delta is one of the last remaining high-biodiversity ecosystems in the world, home to cheetahs, ...

(THE CONVERSATION) As the planet warms, it risks crossing catastrophic tipping points: thresholds where Earth systems, such as ice sheets and rain forests, change irreversibly over human lifetimes.

More casual options include wood-fired pizza, artisanal ice cream (because beach towns and ice cream are eternally linked in the vacation psyche), and coffee shops where baristas take their craft ...